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Martin Schwidefsky 833774849d [S390] Fix pte type checking. ... handle_pte_fault uses pte_present, pte_none and pte_file to find out the type of a pte. That is done without holding the page table lock. This clashes with the way how ptep_clear_flush removes active page table entries from the system. First the ipte instruction is used to invalidate the pte and remove all plt entries for the page. The ipte sets the hardware invalid bit without changing any other bit. After the ipte finished the pte is cleared. A concurrent fault can observe the the previously valid pte with the invalid bit set. With the current encoding of the different pte types an invalidated read-only pte can be misinterpreted as a swap-pte. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		19 years ago
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Kbuild	[S390] Unexport <asm/z90crypt.h>, export <asm/zcrypt.h> in its place.	19 years ago
a.out.h	Linux-2.6.12-rc2	20 years ago
appldata.h	[S390] Inline assembly cleanup.	19 years ago
atomic.h	[S390] Inline assembly cleanup.	19 years ago
auxvec.h	[PATCH] auxiliary vector cleanups	20 years ago
bitops.h	[S390] Inline assembly cleanup.	19 years ago
bug.h	[S390] __builtin_trap() and gcc version.	19 years ago
bugs.h	Linux-2.6.12-rc2	20 years ago
byteorder.h	[S390] Inline assembly cleanup.	19 years ago
cache.h	[PATCH] s390: add read_mostly optimization	19 years ago
cacheflush.h	Linux-2.6.12-rc2	20 years ago
ccwdev.h	[S390] Fix sparse warnings.	19 years ago
ccwgroup.h	Linux-2.6.12-rc2	20 years ago
checksum.h	[S390] Inline assembly cleanup.	19 years ago
cio.h	[S390] cio: Use ccw_dev_id and subchannel_id in ccw_device_private	19 years ago
cmb.h	[S390] rework of channel measurement facility.	19 years ago
compat.h	[PATCH] s390: add ptr_to_compat()	19 years ago
cpcmd.h	[PATCH] s390: add vmcp interface	20 years ago
cputime.h	Linux-2.6.12-rc2	20 years ago
current.h	Linux-2.6.12-rc2	20 years ago
dasd.h	[S390] add PAV support to the dasd driver.	19 years ago
debug.h	[PATCH] Fix 'make headers_check' on s390	19 years ago
delay.h	Linux-2.6.12-rc2	20 years ago
div64.h	[S390] __div64_32 for 31 bit.	19 years ago
dma-mapping.h	Linux-2.6.12-rc2	20 years ago
dma.h	[S390] empty function defines.	19 years ago
ebcdic.h	[S390] Inline assembly cleanup.	19 years ago
elf.h	[PATCH] Fix 'make headers_check' on s390	19 years ago
emergency-restart.h	[PATCH] Add emergency_restart()	20 years ago
errno.h	Linux-2.6.12-rc2	20 years ago
extmem.h	Linux-2.6.12-rc2	20 years ago
fcntl.h	[PATCH] Clean up struct flock64 definitions	20 years ago
futex.h	[S390] Make user-copy operations run-time configurable.	19 years ago
hardirq.h	[S390] irq change build fixes.	19 years ago
idals.h	Don't include linux/config.h from anywhere else in include/	19 years ago
io.h	[S390] Remove open-coded mem_map usage.	19 years ago
ioctl.h	[PATCH] Generic ioctl.h	19 years ago
ioctls.h	Linux-2.6.12-rc2	20 years ago
ipc.h	Linux-2.6.12-rc2	20 years ago
ipcbuf.h	Linux-2.6.12-rc2	20 years ago
irq.h	[PATCH] Make touch_nmi_watchdog imply touch_softlockup_watchdog on all archs	19 years ago
irq_regs.h	[S390] irq change build fixes.	19 years ago
irqflags.h	[S390] Inline assembly cleanup.	19 years ago
kdebug.h	[S390] add kprobes support.	19 years ago
kexec.h	[PATCH] Kdump: powerpc and s390 build failure fix	19 years ago
kmap_types.h	Linux-2.6.12-rc2	20 years ago
kprobes.h	[S390] add kprobes support.	19 years ago
linkage.h	Linux-2.6.12-rc2	20 years ago
local.h	Don't include linux/config.h from anywhere else in include/	19 years ago
lowcore.h	[S390] Inline assembly cleanup.	19 years ago
mathemu.h	Linux-2.6.12-rc2	20 years ago
mman.h	[PATCH] add asm-generic/mman.h	19 years ago
mmu.h	Linux-2.6.12-rc2	20 years ago
mmu_context.h	[PATCH] s390: "extern inline" -> "static inline"	19 years ago
module.h	Linux-2.6.12-rc2	20 years ago
monwriter.h	[S390] Linux API for writing z/VM APPLDATA Monitor records.	19 years ago
msgbuf.h	Linux-2.6.12-rc2	20 years ago
mutex.h	[PATCH] mutex subsystem, add default include/asm-*/mutex.h files	19 years ago
namei.h	Linux-2.6.12-rc2	20 years ago
page.h	[S390] Remove open-coded mem_map usage.	19 years ago
param.h	Linux-2.6.12-rc2	20 years ago
pci.h	Linux-2.6.12-rc2	20 years ago
percpu.h	[PATCH] Fix typo in "syntax error if percpu macros are incorrectly used" patch	19 years ago
pgalloc.h	[S390] Remove open-coded mem_map usage.	19 years ago
pgtable.h	[S390] Fix pte type checking.	19 years ago
poll.h	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
posix_types.h	[S390] __FD_foo definitions.	19 years ago
processor.h	[S390] Inline assembly cleanup.	19 years ago
ptrace.h	[PATCH] Add regs_return_value() helper	19 years ago
qdio.h	fix file specification in comments	19 years ago
qeth.h	Linux-2.6.12-rc2	20 years ago
resource.h	Linux-2.6.12-rc2	20 years ago
rwsem.h	[S390] Inline assembly cleanup.	19 years ago
s390_ext.h	[S390] irq change build fixes.	19 years ago
s390_rdev.h	[PATCH] s390: email-address change	19 years ago
scatterlist.h	Linux-2.6.12-rc2	20 years ago
sections.h	Linux-2.6.12-rc2	20 years ago
segment.h	Linux-2.6.12-rc2	20 years ago
semaphore.h	[S390] Inline assembly cleanup.	19 years ago
sembuf.h	Linux-2.6.12-rc2	20 years ago
setup.h	[PATCH] Directed yield: direct yield of spinlocks for s390.	19 years ago
sfp-machine.h	[S390] Inline assembly cleanup.	19 years ago
shmbuf.h	Linux-2.6.12-rc2	20 years ago
shmparam.h	Linux-2.6.12-rc2	20 years ago
sigcontext.h	[PATCH] s390: sigcontext.h vs __user	19 years ago
siginfo.h	[PATCH] consolidate SIGEV_PAD_SIZE	20 years ago
signal.h	[PATCH] irq-flags: S390: Use the new IRQF_ constants	19 years ago
sigp.h	[S390] Inline assembly cleanup.	19 years ago
smp.h	[S390] Inline assembly cleanup.	19 years ago
socket.h	[AF_UNIX]: Datagram getpeersec	19 years ago
sockios.h	Linux-2.6.12-rc2	20 years ago
spinlock.h	[S390] incorrect placement of include.	19 years ago
spinlock_types.h	[PATCH] Directed yield: direct yield of spinlocks for s390.	19 years ago
stat.h	Linux-2.6.12-rc2	20 years ago
statfs.h	Linux-2.6.12-rc2	20 years ago
string.h	[S390] Inline assembly cleanup.	19 years ago
suspend.h	Linux-2.6.12-rc2	20 years ago
system.h	[S390] Inline assembly cleanup.	19 years ago
tape390.h	Linux-2.6.12-rc2	20 years ago
termbits.h	Linux-2.6.12-rc2	20 years ago
termios.h	Linux-2.6.12-rc2	20 years ago
thread_info.h	[S390] preempt_count initialization.	19 years ago
timer.h	[S390] irq change improvements.	19 years ago
timex.h	[S390] Inline assembly cleanup.	19 years ago
tlb.h	Linux-2.6.12-rc2	20 years ago
tlbflush.h	[S390] Inline assembly cleanup.	19 years ago
todclk.h	Linux-2.6.12-rc2	20 years ago
topology.h	Linux-2.6.12-rc2	20 years ago
types.h	Don't include linux/config.h from anywhere else in include/	19 years ago
uaccess.h	[S390] Inline assembly cleanup.	19 years ago
ucontext.h	Linux-2.6.12-rc2	20 years ago
unaligned.h	Linux-2.6.12-rc2	20 years ago
unistd.h	[S390] Wire up epoll_pwait syscall.	19 years ago
user.h	[PATCH] s390: uml ptrace fixes	20 years ago
vtoc.h	Use __uXX types for S390 DASD volume label definitions which are user-visible	19 years ago
xor.h	Linux-2.6.12-rc2	20 years ago
zcrypt.h	[S390] zcrypt secure key cryptography extension.	19 years ago